1 /* $NetBSD: strdup.c,v 1.1.1.1 2016/01/14 00:11:29 christos Exp $ */ 2 3 /* Copyright (C) 1991, 1996, 1997, 1998, 2002, 2003, 2004 Free Software 4 Foundation, Inc. 5 6 This file is part of the GNU C Library. 7 8 This program is free software; you can redistribute it and/or modify 9 it under the terms of the GNU General Public License as published by 10 the Free Software Foundation; either version 2, or (at your option) 11 any later version. 12 13 This program is distributed in the hope that it will be useful, 14 but WITHOUT ANY WARRANTY; without even the implied warranty of 15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 GNU General Public License for more details. 17 18 You should have received a copy of the GNU General Public License along 19 with this program; if not, write to the Free Software Foundation, 20 Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ 21 22 #ifdef HAVE_CONFIG_H 23 # include <config.h> 24 #endif 25 26 #ifndef _LIBC 27 /* Get specification. */ 28 # include "strdup.h" 29 #endif 30 31 #include <stdlib.h> 32 #include <string.h> 33 34 #undef __strdup 35 #undef strdup 36 37 #ifndef weak_alias 38 # define __strdup strdup 39 #endif 40 41 /* Duplicate S, returning an identical malloc'd string. */ 42 char * 43 __strdup (const char *s) 44 { 45 size_t len = strlen (s) + 1; 46 void *new = malloc (len); 47 48 if (new == NULL) 49 return NULL; 50 51 return (char *) memcpy (new, s, len); 52 } 53 #ifdef libc_hidden_def 54 libc_hidden_def (__strdup) 55 #endif 56 #ifdef weak_alias 57 weak_alias (__strdup, strdup) 58 #endif 59